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Soil strength [bar] Soil stress [bar] Decision chart (valid for 35 cm soil depth) 0 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.25 2.00 1.75 1.50 1.25 1.00 0.75 0.50 0.25 0
No soil compaction risk
Considerable risk of soil compaction - reduce wheel load or tyre inflation pressure
CAUTION: High risk of subsoil compaction - avoid driving on the field
Tyre inflation pressure [bar] Wheel load [t] Soil stress (at 35cm depth [bar]) 0 1 2 3 4 5 6 7 8 9 10 11 12 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 1.5 1.75 2.0 2.25 1.25 1.0 0.75 0.5 0.25
Soil water suction [cbar] Clay content [%] Soil strength (precompression stress at 35cm depth [bar]) 0 5 10 15 20 25 30 35 40 60 55 50 45 40 35 30 25 20 15 10 5 0 1.5 1.75 2.0 2.25 2.5 1.25 1.0 0.5
Soil stress:
Soil strength:
Wheel load
kg

Tyre inflation pressure
bar

Clay content
%

Soil water suction
cbar